package com.yz.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.ResponseBody;

import java.sql.SQLIntegrityConstraintViolationException;


/**
 * 全局异常处理
 */
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    /**
     * 异常处理方法：SQLIntegrityConstraintViolationException
     * @param ex
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
      log.error(ex.getMessage());
      if(ex.getMessage().contains("Duplicate entry")){
          String msg = ex.getMessage().split(" ")[2];
          return R.error(msg+"已存在");
      }
      return R.error("失败了");
    }

    /**
     * 已关联菜品或者套餐异常
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
    @ExceptionHandler(DishException.class)
    public  R<String> exceptionHandler(DishException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
